dickchute
Dickchuting someone is when they are in the middle of big encouraging, exciting speech and another person comes in and ruins it by farting, belching, or otherwise derailing the happy feelings.
Brian was introducing the exciting new app when Randy raised his hand and asked why it wasn't working. Randy dickchuted Brian.
Brian smacked Randy and said, "Don't be a dickchute."
Brian smacked Randy and said, "Don't be a dickchute."